Superregnum: Eukaryota Cladus: Unikonta Cladus: Opisthokonta Cladus: Holozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: Bilateria Cladus: Nephrozoa Superphylum: Deuterostomia Phylum: Chordata Subphylum: Vertebrata Infraphylum: Gnathostomata Megaclassis: Osteichthyes Superclassis/Classis: Actinopterygii Classis/Subclassis: Actinopteri Subclassis/Infraclassis: Neopterygii Infraclassis: Teleostei Megacohors: Osteoglossocephalai Supercohors: Clupeocephala Cohors: Euteleosteomorpha Subcohors/Superordo: Protacanthopterygii Ordo: Argentiniformes Subordo: Argentinoidei
Familia: Opisthoproctidae